--This is a forwarded message
From: Secunia Security Advisories <sec-adv@xxxxxxxxxxx>
To: 3APA3A@xxxxxxxxxxxxxxxx <3APA3A@xxxxxxxxxxxxxxxx>
Date: Monday, November 13, 2006, 7:32:51 PM
Subject: [SA22824] PowerDNS Recursor Two Vulnerabilities
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To improve our services to our customers, we have made a number of
additions to the Secunia Advisories and have started translating the
advisories to German.
The improvements will help our customers to get a better
understanding of how we reached our conclusions, how it was rated,
our thoughts on exploitation, attack vectors, and scenarios.
This includes:
* Reason for rating
* Extended description
* Extended solution
* Exploit code or links to exploit code
* Deep links
Read the full description:
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TITLE:
PowerDNS Recursor Two Vulnerabilities
SECUNIA ADVISORY ID:
SA22824
VERIFY ADVISORY:
CRITICAL:
Highly critical
IMPACT:
DoS, System access
WHERE:
>From remote
SOFTWARE:
PowerDNS Recursor 3.x
PowerDNS 2.x
DESCRIPTION:
Two vulnerabilities have been reported in PowerDNS Recursor, which
can be exploited by malicious people to cause a DoS (Denial of
Service) and potentially compromise a vulnerable system.
1) An error in length calculation when handling TCP DNS queries can
be exploited to cause an overly large copy via a specially crafted
packet.
Successful exploitation may allow execution of arbitrary code.
2) An error in the handling CNAME records can be exploited to crash
the service.
The vulnerabilities are reported in PowerDNS Recursor versions 3.1.3
and prior. PowerDNS Authoritative Server (pdns_server) is not
affected.
SOLUTION:
Update to PowerDNS Recursor 3.1.4.
PROVIDED AND/OR DISCOVERED BY:
Reported by the vendor.
ORIGINAL ADVISORY:
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